August weather forecast
Bristol, SD

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Weather in August

The last month of the summer, August, is another warm month in Bristol, South Dakota, with an average temperature fluctuating between 80.1°F (26.7°C) and 58.8°F (14.9°C).

Temperature

As Bristol transitions into August, the average high-temperature stands at a still moderately hot 80.1°F (26.7°C), offering little variation from the preceding month. In Bristol, an average low-temperature of 58.8°F (14.9°C) is recorded during August nights.

Humidity

The average relative humidity in August in Bristol is 67%.

Rainfall

In Bristol, during August, the rain falls for 12.3 days and regularly aggregates up to 2.01" (51mm) of precipitation. In Bristol, during the entire year, the rain falls for 112.9 days and collects up to 22.09" (561mm) of precipitation.

Snowfall

In Bristol, snow does not fall in June through September.

Daylight

In Bristol, the average length of the day in August is 14h and 2min.
On the first day of August, sunrise is at 6:16 am and sunset at 8:58 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 8:09 pm CDT.

Sunshine

In Bristol, South Dakota, the average sunshine in August is 10.3h.

UV index

In Bristol, the average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.
Note: A daily high UV index of 5 in August leads to these guidelines:
Adopt protective measures - Suggestions to resist sunburn are offered. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
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Frequently asked questions

What are August temperatures in Bristol?

In Bristol, in August, the average high-temperature is 80.1°F (26.7°C), and the average low-temperature is 58.8°F (14.9°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines air temperature and relative humidity, in July is estimated at 84.2°F (29°C).

What is the average humidity in August in Bristol?

In August, the average relative humidity in Bristol is 67%.

How many days does it rain in August in Bristol?

In Bristol, during August, the rain falls for 12.3 days and regularly aggregates up to 2.01" (51mm) of precipitation.

When it does not snow in Bristol?

In Bristol, South Dakota, snow does not fall in June through September.

How many hours of daylight does Bristol have in August?

In Bristol, South Dakota, the average day length in August is 14h and 2min.

When are sunrise and sunset in August in Bristol?

On the first day of August in Bristol, South Dakota, sunrise is at 6:16 am and sunset at 8:58 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 8:09 pm CDT.

How long on average sun shines in August in Bristol?

In August, the average sunshine duration is 10.3h.

What is the UV index intensity in August in Bristol?

The average daily maximum UV index in August in Bristol is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Bristol, SD

Average temperature in August - Bristol, SD
  • Average high temperature in August: 80.1°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (18.9°F).

  • Average low temperature in August: 58.8°F

The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (5°F).

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Average pressure in August
Bristol, SD

Average pressure in August - Bristol, SD
  • Average pressure in August: 29.92"Hg

The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

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Average wind speed in August
Bristol, SD

Average wind speed in August - Bristol, SD
  • Average wind speed in August: 8.8mph

The windiest month (with the highest average wind speed) is April (11.7mph).
The calmest month (with the lowest average wind speed) is July (8.7mph).

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Average humidity in August
Bristol, SD

Average humidity in August - Bristol, SD
  • Average humidity in August: 67%

The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is September (66%).

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Average rainfall in August
Bristol, SD

Average rainfall in August - Bristol, SD
  • Average rainfall in August: 2.01"

The wettest month (with the highest rainfall) is July (3.58").
The driest month (with the least rainfall) is November (0.63").

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Average rainfall days in August
Bristol, SD

Average rainfall days in August - Bristol, SD
  • Average rainfall days in August: 12.3 days

The month with the highest number of rainy days is June (17.9 days).
The month with the least rainy days is February (2.3 days).

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Average snowfall in August
Bristol, SD

Average snowfall in August - Bristol, SD
  • Average snowfall in August: 0"

The month with the highest snowfall is December (4.53").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in August
Bristol, SD

Average snowfall days in August - Bristol, SD
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (15.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in August /
Average sunshine in August
Bristol, SD

Average daylight in August / Average sunshine in August - Bristol, SD
  • Average daylight in August: 14h and 0min

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in August: 10h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).

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Average sunshine days in August
Bristol, SD

Average sunshine days in August - Bristol, SD
  • Average sunshine days in August: 16.5 days

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is June (10.4 days).

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Average UV index in August
Bristol, SD

Average UV index in August - Bristol, SD
  • Average UV index in August: 5

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).

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Average cloud cover in August
Bristol, SD

Average cloud cover in August - Bristol, SD
  • Average cloud cover in August: 27

The month with the most cloud cover is January (Cloud cover 66).
The months with the least cloud cover are July and August (Cloud cover 27).

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Average visibility in August
Bristol, SD

Average visibility in August - Bristol, SD
  • Average visibility in August: 6mi

The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).

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Bristol, South Dakota, USA

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